|Courthouse|City|Street address|Jurisdiction|Dates of use|Named for|
|---|---|---|---|---|---|
|U.S. Post Office and Court House†|Aberdeen|201 W. Commerce St.|N.D. Miss.|1888–1974 Now the Monroe County Chancery Court.|n/a|
|Thomas G. Abernethy Federal Building|Aberdeen|301 West Commerce Street|N.D. Miss.|?-present|U.S. Rep. Thomas Abernethy|
|U.S. Post Office, Court House, & Custom House|Biloxi|140 Lameuse Street|S.D. Miss.|1908-1959 Now Biloxi City Hall.|n/a|
|U.S. Post Office & Court House|Biloxi|?|S.D. Miss.|1908-1959 Fate of building unknown.|n/a|
|U.S. Post Office|Clarksdale|?|N.D. Miss.|1916-1964 Razed in 1968.|n/a|
|Federal Building|Clarksdale|?|N.D. Miss.|1964-1997 Fate of building unknown.|n/a|
|Federal Building|Greenville|305 Main Street|N.D. Miss.|1960-present|n/a|
|Dan M. Russell Jr. Federal Bldg & U.S. Courthouse|Gulfport|2012 15th Street|S.D. Miss.|2003-present|District Court judge Dan Monroe Russell, Jr.|
|U.S. Court House|Hattiesburg|?|S.D. Miss.|1936-? Completed in 1911; now the Forrest County Courthouse Building.|n/a|
|William M. Colmer Federal Bldg & U.S. Courthouse|Hattiesburg|701 Main Street|S.D. Miss.|?-present|U.S. Rep. William M. Colmer|
|U.S. Court House & Post Office|Jackson|?|S.D. Miss.|1885-1933|n/a|
|James Eastland Federal Building|Jackson|?|S.D. Miss. 5th Cir.|1934-present 1981-present|U.S. Sen. James Eastland (1984)|
|U.S. Post Office & Courthouse|Meridian|8th St and 22nd Ave|S.D. Miss.|1898-1933 Razed in the 1950s.|n/a|
|U.S. Post Office & Courthouse†|Meridian|2100 9th Street|S.D. Miss.|1933-present|n/a|
|U.S. Courthouse|Natchez|109 Pearl Street|S.D. Miss.|2007-present Built in 1853|n/a|
|U.S. Court House & Post Office|Oxford|107 Courthouse Square|N.D. Miss.|1887-ca. 1974 Now Oxford City Hall.|n/a|
|Federal Bldg, Post Office, & Courthouse|Oxford|911 Jackson Avenue|N.D. Miss.|?-present|n/a|
|U.S. Court House, Post Office & Custom House|Vicksburg|1400 Walnut Street|S.D. Miss.|1892-1937 Now in use by the Mississippi River Commission.|n/a|
|U.S. Post Office & Court House|Vicksburg|?|S.D. Miss.|1937-present Now privately owned.|n/a|

Question: how many courthouses were named for someone?
Answer: 4